DAEWOO ELECTRONICS ACP-0106 Series, Service Manual

Page: 23 / 35

FUNCTION OF MICOM IC UPD178016GC
for ACP-0108 Seriese
10-2. PIN DESCRIPTION
PIN
77
76
22
30
79
22
33
75
71
18
7
8
9
10
12
13
14
19
4
67
11
20
ASSIGN
P_XIN
POWER OFF LOW, POWER ON HIGH
KEY & LCD DRIVER IC INTERFACE PORTS.
EVR IC INTERFACE PORTS
AUDIO MUTE PORT, ACTIVE HIGH
BEEP OUTPUT PORT.
DETACHABLE ON / OFF INPUT PORT.
CONTACT LOW
SEPARATE HIGH
LCD BACK - LIGHTING COLOR CONTROL PORT
4.5 MHz CRYSTAL
PERMANENT POWER INPUT PORT )MAX : 6.5V
GROUND
BACK UP MODE CONTROL PORT.
LOW : BACK UP MODE.
HIGH : OPERATING MODE.
POWER CONTROL PORT.
(2.08 KHz)
RESET : COLOR LOW
TWO KEY IN : CHANGED
WIRE REMOCON INPUT PORT.
WIRELESS REMOCON INPUT PORT.
P_XOUT
P_VDD
P_VDD
P_VDD
P_GND
P_GND
P_GND
P_ACC
P_POWER
P_LCD SI
P_LCD S0
P_LCD CLK
P_LCD CE
P_EVR CE
P_EVR SO
P_EVR CLK
P_AMUTE
59 P_BEEP
P_WRMC
P_RMC
P_PANEL
P_COLOR
DESCRIPTION
I/O
I
O
I
O
O
I
O
O
O
O
O
O
O
I
I
I
O
24
NAME
X1
X2
VDDPORT
VDDPLL
VDD
GNDPORT
GNDPLL
GND
P04/INTP4
P40
P20/SI1
P21/SO1
P22/SCK1
P23/STB
P25/SI0
P26/SO0
P27/SCK0
P41
P36/BEEP
P00/INTP0
P24/BUSY
P42